// execute and get results private void execute(Connection conn, String text, Writer writer, boolean commaSeparator) throws SQLException { BufferedWriter buffer = new BufferedWriter(writer); Statement stmt = conn.createStatement(); stmt.execute(text); ResultSet rs = stmt.getResultSet(); ResultSetMetaData metadata = rs.getMetaData(); int nbCols = metadata.getColumnCount(); String[] labels = new String[nbCols]; int[] colwidths = new int[nbCols]; int[] colpos = new int[nbCols]; int linewidth = 1; // read each occurrence try { while (rs.next()) { for (int i = 0; i < nbCols; i++) { Object value = rs.getObject(i + 1); if (value != null) { buffer.write(value.toString()); if (commaSeparator) buffer.write(","); } } } buffer.flush(); rs.close(); } catch (IOException ex) { if (Debug.isDebug()) ex.printStackTrace(); // ok, exit from the loop } catch (SQLException ex) { if (Debug.isDebug()) ex.printStackTrace(); } }
/* return status codes for account/device */ public static int[] getStatusCodes(String accountID, String deviceID) throws DBException { /* account-id specified? */ if (StringTools.isBlank(accountID)) { return new int[0]; } /* device-id specified? */ if (StringTools.isBlank(deviceID)) { deviceID = ALL_DEVICES; } /* select */ // DBSelect: SELECT statucCode FROM StatusCode WHERE (accountID='acct') AND (deviceID='*') ORDER // BY statucCode DBSelect<StatusCode> dsel = new DBSelect<StatusCode>(StatusCode.getFactory()); dsel.setSelectedFields(StatusCode.FLD_statusCode); DBWhere dwh = dsel.createDBWhere(); dsel.setWhere( dwh.WHERE_( dwh.AND( dwh.EQ(StatusCode.FLD_accountID, accountID), dwh.EQ(StatusCode.FLD_deviceID, deviceID)))); dsel.setOrderByFields(StatusCode.FLD_statusCode); /* get list */ java.util.List<Integer> codeList = new Vector<Integer>(); Statement stmt = null; ResultSet rs = null; try { stmt = DBConnection.getDefaultConnection().execute(dsel.toString()); rs = stmt.getResultSet(); while (rs.next()) { int code = rs.getInt(StatusCode.FLD_statusCode); codeList.add(new Integer(code)); } } catch (SQLException sqe) { throw new DBException("Getting StatusCode List", sqe); } finally { if (rs != null) { try { rs.close(); } catch (Throwable t) { } } if (stmt != null) { try { stmt.close(); } catch (Throwable t) { } } } /* return array of status codes */ int codeListInt[] = new int[codeList.size()]; for (int i = 0; i < codeListInt.length; i++) { codeListInt[i] = codeList.get(i).intValue(); } return codeListInt; }
/* return list of all Devices within the specified DeviceGroup (NOT SCALABLE BEYOND A FEW HUNDRED GROUPS) */ public static java.util.List<String> getUsersForGroup(String acctId, String groupId) throws DBException { /* valid account/groupId? */ if (StringTools.isBlank(acctId)) { return null; } else if (StringTools.isBlank(groupId)) { return null; } /* get db selector */ DBSelect dsel = GroupList._getUserListSelect(acctId, groupId); if (dsel == null) { return null; } /* read users for group */ java.util.List<String> usrList = new Vector<String>(); DBConnection dbc = null; Statement stmt = null; ResultSet rs = null; try { dbc = DBConnection.getDefaultConnection(); stmt = dbc.execute(dsel.toString()); rs = stmt.getResultSet(); while (rs.next()) { String usrId = rs.getString(GroupList.FLD_userID); usrList.add(usrId); } } catch (SQLException sqe) { throw new DBException("Get Group GroupeList", sqe); } finally { if (rs != null) { try { rs.close(); } catch (Throwable t) { } } if (stmt != null) { try { stmt.close(); } catch (Throwable t) { } } DBConnection.release(dbc); } /* return list */ return usrList; }
public int getNext() { int n = 0; try { stmt.executeQuery("SELECT IDEdicion FROM Edicion ORDER BY IDEdicion DESC LIMIT 1"); ResultSet rs = stmt.getResultSet(); rs.next(); n = rs.getInt("IDEdicion"); rs.close(); return n + 1; } catch (SQLException e) { System.out.println("Cannot getNext()" + e); } return n; }
public int getNumero(int ID) { int numero = 0; try { stmt.executeQuery("SELECT Numero FROM Edicion WHERE IDEdicion = " + ID); ResultSet rs = stmt.getResultSet(); rs.next(); numero = rs.getInt("Numero"); rs.close(); return (numero); } catch (SQLException e) { System.out.println("Cannot getNumero()" + e); } return numero; }
public boolean validarEdicion(int ID) { int IDE; try { stmt.executeQuery("SELECT IDEdicion FROM Edicion WHERE IDEdicion = " + ID); ResultSet rs = stmt.getResultSet(); rs.next(); IDE = rs.getInt("IDEdicion"); rs.close(); return IDE == ID; } catch (SQLException e) { System.out.println("Cannot getID()" + e); } return false; }
public final LentilCursor read(final String sql) { final ResultSet results; try { final Statement stmt = getConnection().createStatement(); stmt.execute(sql); results = stmt.getResultSet(); } catch (SQLException e) { throw new IllegalStateException(e); } return new LentilCursor(results); }
public int getCantidad(int ID) { int cantidad = 0; ; try { stmt.executeQuery("SELECT Cantidad FROM Edicion WHERE IDEdicion = " + ID); ResultSet rs = stmt.getResultSet(); rs.next(); cantidad = rs.getInt("Cantidad"); rs.close(); return (cantidad); } catch (SQLException e) { System.out.println("Cannot getCantidad()" + e); } return cantidad; }
public int[] getArticulos(int IDE) { int count; int[] a = new int[1]; try { stmt.executeQuery("SELECT COUNT(*) as cant FROM Articulo WHERE IDEdicion = " + IDE); ResultSet rs = stmt.getResultSet(); rs.next(); count = rs.getInt("cant"); rs.close(); stmt.executeQuery("Select IDArticulo FROM Articulo Where IDEdicion = " + IDE); rs = stmt.getResultSet(); rs.next(); int[] anunciosEnc = new int[count]; for (int i = 0; i < count; i++) { anunciosEnc[i] = rs.getInt("IDArticulo"); rs.next(); } rs.close(); return anunciosEnc; } catch (SQLException e) { System.out.println("Cannot getArticulos()" + e); } return a; }
public static void main(String args[]) throws IOException { try { Scanner in = args.length == 0 ? new Scanner(System.in) : new Scanner(Paths.get(args[0])); try (Connection conn = getConnection()) { Statement stat = conn.createStatement(); while (true) { if (args.length == 0) System.out.println("Enter command or EXIT to exit:"); if (!in.hasNextLine()) return; String line = in.nextLine(); if (line.equalsIgnoreCase("EXIT")) return; if (line.trim().endsWith(";")) // remove trailing semicolon { line = line.trim(); line = line.substring(0, line.length() - 1); } try { boolean isResult = stat.execute(line); if (isResult) { ResultSet rs = stat.getResultSet(); showResultSet(rs); } else { int updateCount = stat.getUpdateCount(); System.out.println(updateCount + " rows updated"); } } catch (SQLException ex) { for (Throwable e : ex) e.printStackTrace(); } } } } catch (SQLException e) { for (Throwable t : e) t.printStackTrace(); } }
/** * ** Returns true if the specified key attribute exists in the table ** @param altIndexName The * alternate index name, or null to use the primary index ** @param whereKeyType The partial key * match type ** @return True if the specified key attribute exists in the table, false otherwise */ protected boolean _exists(String altIndexName, int whereKeyType) throws SQLException, DBException { /* key fields */ boolean usePrimaryKey = StringTools.isBlank(altIndexName); DBField kfld[] = usePrimaryKey ? this.getKeyFields() : this.getAltKeyFields(altIndexName); if (ListTools.isEmpty(kfld)) { throw new DBException("No keys found!"); } /* check last key for "auto_increment" */ if (whereKeyType == DBWhere.KEY_FULL) { DBField lastField = kfld[kfld.length - 1]; if (lastField.isAutoIncrement() && !this.getFieldValues().hasFieldValue(lastField.getName())) { // full key requested and last key is auto_increment, which is missing return false; } } // DBSelect: SELECT <Keys> FROM <TableName> <KeyWhere> String firstKey = kfld[0].getName(); DBSelect<gDBR> dsel = new DBSelect<gDBR>(this.getFactory()); dsel.setSelectedFields(firstKey); dsel.setWhere(this._getWhereClause(altIndexName, whereKeyType)); /* get keyed record */ DBConnection dbc = null; Statement stmt = null; ResultSet rs = null; boolean exists = false; try { dbc = DBConnection.getDefaultConnection(); stmt = dbc.execute(dsel.toString()); // may throw DBException rs = stmt.getResultSet(); exists = rs.next(); } catch (SQLException sqe) { if (sqe.getErrorCode() == DBFactory.SQLERR_TABLE_NOTLOCKED) { // MySQL: This case has been seen on rare occasions. Not sure what causes it. Print.logError("SQL Lock Error: " + sqe); Print.logError("Hackery! Forcing lock on table: " + this.getTableName()); if (DBProvider.lockTableForRead(this.getTableName(), true)) { // may throw DBException stmt = dbc.execute(dsel.toString()); // may throw SQLException, DBException rs = stmt.getResultSet(); // SQLException exists = rs.next(); // SQLException DBProvider.unlockTables(); // DBException } } else { throw sqe; } } finally { if (rs != null) { try { rs.close(); } catch (Throwable t) { } } if (stmt != null) { try { stmt.close(); } catch (Throwable t) { } } DBConnection.release(dbc); } return exists; }
public static void main(String args[]) { Connection con = null; Statement stm = null; try { int count; System.out.println("1..."); Class.forName("com.timesten.jdbc.TimesTenDriver").newInstance(); System.out.println("2..."); con = DriverManager.getConnection("jdbc:timesten:direct:WebNmsDB ", "root", ""); System.out.println("3..."); stm = con.createStatement(); System.out.println("connection established"); for (int j = 1; j <= 10; j++) { System.out.println("enter 1 to add record"); System.out.println("enter 2 to rem record"); System.out.println("enter 3 to view all the records"); System.out.println("enter 4 to view particular record"); System.out.println("enter 5 to exit"); InputStreamReader reader = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(reader); String str = br.readLine(); int i = Integer.parseInt(str); String quote = "'"; ResultSet rs = null; switch (i) { case 1: System.out.println("Enter the name "); InputStreamReader reader1 = new InputStreamReader(System.in); BufferedReader br1 = new BufferedReader(reader1); String str1 = br1.readLine(); System.out.println("Enter the DOB as YYYY-MM-DD"); InputStreamReader reader2 = new InputStreamReader(System.in); BufferedReader br2 = new BufferedReader(reader2); String str2 = br2.readLine(); System.out.println("Enter the DOJ as YYYY-MM-DD"); InputStreamReader reader3 = new InputStreamReader(System.in); BufferedReader br3 = new BufferedReader(reader3); String str3 = br3.readLine(); System.out.println("Enter the class"); InputStreamReader reader4 = new InputStreamReader(System.in); BufferedReader br4 = new BufferedReader(reader4); String str4 = br4.readLine(); stm.executeUpdate( "Insert into student (Name,DOB,DOJ,Class) values(" + quote + str1 + quote + "," + quote + str2 + quote + "," + quote + str2 + quote + "," + quote + str4 + quote + ");"); // stm.close(); break; case 2: System.out.println("Enter the name whose record to be deleted"); InputStreamReader reader5 = new InputStreamReader(System.in); BufferedReader br5 = new BufferedReader(reader5); String str5 = br5.readLine(); stm.executeUpdate("delete from student where Name=" + quote + str5 + quote + ";"); break; case 3: stm.executeQuery("select * from Node;"); rs = stm.getResultSet(); System.out.println("Name DOB DOJ CLASS"); while (rs.next() != false) { String name = rs.getString("NAME"); System.out.print(name + " "); String dob = rs.getString("ISROUTER"); System.out.print(dob + " "); String doj = rs.getString("OWNERNAME"); /*System.out.print(doj+" "); int Class=rs.getInt("class"); System.out.println(Class+" ");*/ } break; case 4: System.out.println("Enter the name whose record to be viewed"); InputStreamReader reader6 = new InputStreamReader(System.in); BufferedReader br6 = new BufferedReader(reader6); String str6 = br6.readLine(); stm.executeQuery("select * from student where Name=" + quote + str6 + quote + ";"); rs = stm.getResultSet(); System.out.println("Name DOB DOJ CLASS"); while (rs.next() != false) { String name = rs.getString("Name"); System.out.print(name + " "); String dob = rs.getString("DOB"); System.out.print(dob + " "); String doj = rs.getString("DOJ"); System.out.print(doj + " "); int Class = rs.getInt("class"); System.out.println(Class + " "); } break; case 5: System.out.println("Logging out"); System.exit(0); } } } catch (Exception e) { System.out.println(e); } }
@Override public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { out = response.getWriter(); HttpSession session; String connectionURL = USERS_INFO; Connection connection = null; ResultSet rs; String email = ""; String userName = ""; String passwrd = ""; String remoteAddr = ""; response.setContentType("text/html"); int error = 0; try { // Load the database driver Class.forName("com.mysql.jdbc.Driver"); // Get a Connection to the database connection = DriverManager.getConnection(connectionURL, USERNAME, PASSWORD); // Add the data into the database String sql = "SELECT username, email FROM users"; Statement s = connection.createStatement(); s.executeQuery(sql); rs = s.getResultSet(); while (rs.next()) { email = rs.getString("email"); userName = rs.getString("username"); if (email.equals(request.getParameter("email"))) { String message = "Email" + email + "already exists"; request.setAttribute("RegisterMessage", message); RequestDispatcher view = request.getRequestDispatcher("signup.jsp"); view.forward(request, response); error = 1; } if (userName.equals(request.getParameter("user"))) { String message = "Username '" + userName + "' already exists"; request.setAttribute("RegisterMessage", message); RequestDispatcher view = request.getRequestDispatcher("signup.jsp"); view.forward(request, response); error = 1; } if (error == 1) { break; } } passwrd = request.getParameter("pass"); if (!passwrd.equalsIgnoreCase(request.getParameter("pass2"))) { String message = "Passwords don't match"; request.setAttribute("RegisterMessage", message); RequestDispatcher view = request.getRequestDispatcher("signup.jsp"); view.forward(request, response); error = 1; } remoteAddr = request.getRemoteAddr(); // ReCaptchaImpl reCaptcha = new ReCaptchaImpl(); // reCaptcha.setPrivateKey("6LezstoSAAAAAEE9lfB6TR2kEX81_peDt4n03K4l"); // String challenge = request.getParameter("recaptcha_challenge_field"); // String uresponse = request.getParameter("recaptcha_response_field"); // ReCaptchaResponse reCaptchaResponse = reCaptcha.checkAnswer(remoteAddr, challenge, // uresponse); /*if (!reCaptchaResponse.isValid()) { print_wrong_once(error); out.print("<h2 align=\"center\">Validation code is wrong.</h2>"); error = 1; }*/ if (error == 1) { rs.close(); s.close(); return; } else { sql = "INSERT INTO users_info.users (`username`, `password`, `email`) VALUES ('" + request.getParameter("user") + "', '" + request.getParameter("pass") + "', '" + request.getParameter("email") + "')"; s.executeUpdate(sql); File dir = new File(mainPath + "/" + request.getParameter("user")); dir.mkdir(); session = request.getSession(true); session.setAttribute("username", request.getParameter("user")); response.sendRedirect(response.encodeRedirectURL("XmlParser")); } rs.close(); s.close(); connection.close(); } catch (Exception e) { System.out.println("Unexpected error: " + e); } }